package com.itheima.demo;

public class StringText04 {
    public static void main(String[] args) {
        int[] arr={1,2,3};
        String s =arryToString(arr);
        System.out.println(s);
    }
    public static String arryToString(int[] arr){
        String s="";
        s +="[";
        for(int i = 0;i<arr.length;i++){
            if(i==arr.length-1){
                s +=arr[i];
            }else {
                s +=arr[i];
                s +=", ";
            }
        }
        s +="]";
        return s;
    }
}
